Marin Raykov Nikolov (Bulgarian: Марин Райков Николов [mɐˈrin ˈrajkof]; born 17 December 1960) is a Bulgarian politician and diplomat who was appointed to serve as a caretaker Prime Minister of Bulgaria and minister of foreign affairs of Bulgaria on 12 March 2013 by Bulgarian president Rosen Plevneliev.

[1] He left office on 29 May 2013[2] with his interim deputy PM Ekaterina Zakharieva.

Raykov served as a deputy Foreign Minister in the governments of Ivan Kostov (1998–2001) and Boyko Borisov (2009–2010).

From 2010 to 2013, he served as an ambassador of Bulgaria in France.

[3] Marin Raykov’s father, Rayko Nikolov, was himself a career diplomat.